package com.huang.springcloud.controller;

import com.huang.springcloud.pojo.Dept;
import com.huang.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
public class DeptController {
    @Autowired
    private DeptService deptService;

    //获取一些配置信息
    @Autowired
    private DiscoveryClient client;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet" )//失败时调用方法
    public Dept addDept(@PathVariable("id") Long id) {
        Dept dept=deptService.queryById(id);
        if (dept==null){
            throw new RuntimeException("id=>"+id+", 不存在该用户，或者信息无法找到~");
        }

        return dept;
    }
    //备逃方法
    public Dept hystrixGet (@PathVariable("id") Long id){
        return new Dept( )
                . setDeptno(id)
                . setDname("id=>"+id+"没有对应的信息，null--@Hystrix")
                . setDb_source("no this database in MySQL");
    }



}
